This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

The world's largest military aircraft cemetery.

This massive redwood tree has a hole in the base big enough to drive through.

An extraordinary mixture of natural beauty and man-made phenomena.

Portlandia is the second-largest copper repoussé statue in the United States.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The oldest tofu shop in the United States is a firm favorite with locals.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

A small, fascinating fire museum hidden in plain sight in an administrative building.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The wooden airship was the largest flying boat ever built.

Home to the only outdoor municipal elevator in the United States.

Home of Howard Hughes' Spruce Goose.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Members of the Confederated Tribes of Warm Springs still net migrating salmon in the traditional way at this cataract on the Deschutes River.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

This charmingly homemade amusement park has been growing for 40 years.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.